/*
* Careful here! We test whether the file pointer is NULL before
* releasing the fd. This ensures that one clone task can't release
* an fd while another clone is opening it.
*/
SYSCALL_DEFINE1(close, unsigned int, fd)
{
int retval = __close_fd(current->files, fd);
/* can't restart close syscall because file table entry was cleared */
if (unlikely(retval == -ERESTARTSYS ||
retval == -ERESTARTNOINTR ||
retval == -ERESTARTNOHAND ||
retval == -ERESTART_RESTARTBLOCK))
retval = -EINTR;
return retval;
}
SYSCALL_DEFINE1(close, unsigned int, fd)
{
int retval;
#ifdef CONFIG_HTC_FD_MONITOR
if (in_fd_list(fd, 0) == 1) {
printk("fd error: %s(%d) tries to close fd=%d illegally\n", current->comm, current->pid, fd);
force_sig(SIGABRT, current);
force_sig(SIGABRT, current);
return 0xBADFD;
}
#endif
retval = __close_fd(current->files, fd);
if (unlikely(retval == -ERESTARTSYS ||
retval == -ERESTARTNOINTR ||
retval == -ERESTARTNOHAND ||
retval == -ERESTART_RESTARTBLOCK))
retval = -EINTR;
return retval;
}